[jb] Js error on workflow with task without a startTime

Uncaught SyntaxError: Unable to process binding "with: function (){return $root.job() }"
Message: Unable to process binding "if: function (){return mainType() =='workflows' }"
Message: Unable to process binding "if: function (){return type() =='workflow' }"
Message: Unable to process binding "template: function (){return { name:'workflow-page'} }"
Message: Unable to process binding "foreach: function (){return properties['actions'] }"
Message: Unable to parse bindings.
Bindings value: text: moment: {data: startTime, format: 'LLL'}
Message: Unexpected token :
    at new Function (<anonymous>)
    at t (knockout-latest.debug.js:2936)
    at e (knockout-latest.debug.js:2927)
    at y.bindingProvider.parseBindingsString (knockout-latest.debug.js:2913)
    at y.bindingProvider.getBindingAccessors (knockout-latest.debug.js:2895)
    at y.dependentObservable.disposeWhenNodeIsRemoved (knockout-latest.debug.js:3245)
    at Function.evaluateImmediate_CallReadThenEndDependencyDetection (knockout-latest.debug.js:2142)
    at Function.evaluateImmediate_CallReadWithDependencyDetection (knockout-latest.debug.js:2114)
    at Function.evaluateImmediate (knockout-latest.debug.js:2078)
    at Object.y.computed.y.dependentObservable (knockout-latest.debug.js:1939)